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這可能是一些愚蠢的東西。但我想寫一個簡單的刮板來抓取這個網站上的列表:https://online.ncat.nsw.gov.au/Hearing/HearingList.aspx?LocationCode=2000無法提取與匹配的類或ID的所有跨度
那麼,實際上它最終會運行每個LocationCode,但這是一個示例頁面。
我想提取每個日期的<span>
標題和table
數據。
數據的一般形式是:
<span id="lblSubHeader1242017" class="clsGridItem">1:15 PM Wednesday, 12 Apr 2017 at Room 15.6 Level 15, 66 Goulburn st </span>
<hr />
<table id="dg1242017">
<tr class="clsGridItem">
<td width="15%">RT 17/11111</td>
<td width="30%">Name of party</td>
<td width="55%">Name of party</td>
</tr>
...
</table>
這是粗糙,但我可以抓住表中的數據相當不錯與形式的代碼:
page = requests.get('https://online.ncat.nsw.gov.au/Hearing/HearingList.aspx?LocationCode=2000')
tree = html.fromstring(page.content)
events = tree.xpath('//table//td/text()')
但是當我試圖搶在表外的跨度,所以我可以有地點和日期信息的東西,如:
days = tree.xpath('//span[starts-with(@id,"lbl")]/text()')
或
days = tree.xpath('//span[@class,"clsGridItem"]/text()')
我只得到了以下兩個結果:
days: ['There are no matters listed in SYDNEY today', 'There are no matters listed in SYDNEY today']
這指的是兩個跨度約的話了頁面2/3:
<span id="lbl1442017" style="font-weight:bold;">SYDNEY: Friday, 14 Apr 2017</span><br /><br /><span id="lblError1442017" class="clsGridItem">There are no matters listed in SYDNEY today</span><br /><br /><br /><span id="lbl1742017" style="font-weight:bold;">SYDNEY: Monday, 17 Apr 2017</span><br /><br /><span id="lblError1742017" class="clsGridItem">There are no matters listed in SYDNEY today</span>
誰能解釋我做錯了什麼?
爲什麼其他跨度被跳過?